Kan'an, Ashraf Fouad Ahmad, The effect of problem based learning on learning genetics and inheritance in Qatari schools / Ashraf Fouad Ahmad Kan'an. - xv, 309 pages : illustrations ; 30 cm. Thesis (Ph.D.) - Universiti Kebangsaan Malaysia, 2015. References : pages 203-226. Subjects--Corporate Names: Universiti Kebangsaan Malaysia--Dissertations. Subjects--Topical Terms: Dissertations, Academic--Malaysia.Learning disabilities--Qatar.Learning disabled children--Education (Primary)--Qatar.Behavior genetics.